Ear

Question 1

What are the sensory afferent fiber in the tympanic membrane?

Answer 1

CN 7,9, 10

Question 2

Where is cone of light seen

Answer 2

Aneroinferior quadrant

Question 3

Innervation of Tympanic Cavity

Answer 3

Tympanic Branch of cranial nerve 9

Question 4

Innervation of Stapedius Muscle

Answer 4

Facial Nerve

Question 5

Innervation of Tensor Tympani Muscle

Answer 5

Mandibular branch of trigeminal nerve

Question 6

3 Auditory ossicles

Answer 6

Malleus
Incus
Stapes

Question 7

This is an abnormal bone formation around the stapes and oval window

Answer 7

otosclerosis

Causes conduction deafness

Question 8

Membrane that separates scala media and scala tympani

Answer 8

Basilar Membrane

Question 9

Membrane that separates scala media and scala vestibuli

Answer 9

Reissner Membrane/ Vestibular Membrane

Question 10

What contains perilymph

Answer 10

scala vestibuli

scala tympani

Question 11

What contains endolymph

Answer 11

scala media

Question 12

Detects linear acceleration

Answer 12

maculae utricle and saccule

Question 13

Detects angular acceleration

Answer 13

ampullae of semicicular ducts